Love Story by Taylor Swift is popular because not only the tune but the lyrics itself is beautiful....



Love Story – Taylor Swift Music Code

Boom Boom Pow by the Black Eyed Peas is a music which became no. 1 because of its tune not on its lyrics......



Boom Boom Pow – Black Eyed Peas Music Code

GENERALLY

Music is an art which heals the soul, a therapy, and helps us gain confidence.............
Though some people thought of it as an entertainment and pastime only,
some persons put in in their heart and emotionally feels the song.........
Though some people loves only the tunes, some are really concerned about the lyrics....
Music really helps us a lot so lets understand the music the way it meant to be understood....
Not just listen to the tunes but also to the message...........



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Music as self expression

People who really understands music not only literally but also emotionally, uses it as a self expression...
They really understand the meaning of a specific song before idolizes it ....
They use it for expressing themselves and choose a song that fits their emotions....

Music's definition

Music Is..... (literal meaning)
Music is an art form whose medium is sound organized in time. Common elements of music are pitch (which governs melody and harmony), rhythm (and its associated concepts tempo, meter, and articulation), dynamics, and the sonic qualities of timbre and texture.

source:http://en.wikipedia.org/wiki/Music